Priced at $129, the Smart Battery Cases come in either black or white and are made from the same material as Apple's silicone cases. From our hands on article:

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How does it work?

The Smart Battery Cases are similar in design to a silicone case but with an extra bump on the back that houses the battery pack. While attached to the iPhone, the Smart Battery Case functions like an external battery pack, providing additional power to the iPhone.

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A Lightning connector built into the case connects to the Lightning port in the iPhone, but Lightning access remains available due to an additional Lightning port in the case itself.

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When you have the Smart Battery Case on your iPhone, your iPhone will use all of the charge in the case before expending its own battery.

What's the capacity?

Each of the Smart Battery Cases features two 1,369mAh battery cells inside. Because there are two battery cells wired together, the cases run at a higher voltage that offers 10.1Wh of energy, making them higher capacity than previous battery cases introduced for iPhone 6s and 7.

Love the battery case, but mine is NOT Apple. I am sporting an iPhoneX case with 6,000 mAh for $26 made by vProof. It easily allows me to use the iPhone heavily, throughout the day, and having the iPhoneX fully charged and about 50% left in the case at night.

Being $~100 cheaper is nice.
The only caveat is that the Lightning port is ONLY for charging, Lightning earpods do not work with the case on. But, for $26 this is a pretty minor inconvenience - I just use my Airpods instead.

Love the battery case, but mine is NOT Apple. I am sporting an iPhoneX case with 6,000 mAh for $26 made by vProof. It easily allows me to use the iPhone heavily, throughout the day, and having the iPhoneX fully charged and about 50% left in the case at night.

Being $~100 cheaper is nice.
The only caveat is that the Lightning port is ONLY for charging, Lightning earpods do not work with the case on. But, for $26 this is a pretty minor inconvenience - I just use my Airpods instead.

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That case doesn't look comfortable to hold at all. And, as covered a multitude of times in all of the other threads about Apple's case, third party cases function as external battery packs. Apple's is an entirely different beast with support baked into the OS itself.

The biggest advantage this case has going for it is the fact that it uses the case battery before the phone battery, preserving long-term battery health. However, you could basically get 2 battery replacements for the same price.

Another overpriced Apple product.
Another innovation brought to you courtesy of Tim Cook.

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Your post is Really a poor attempt to knock Tim Cook, even if you don’t like the battery case, that’s fine, but there’s no reason try to conflate Innovation and Tim Cook with this. Some people find the value in this battery case for those who don’t have access to a charging port throughout their day, especially if they’re heavily involved with their iPhone usage.

I dont understand people criticizing the price of this case.. the Mophie has always started at 100 bucks... this is a superior product and its sold by Apple for only 30$ more. I am not understanding the outrage here.

$150? I get it.. but $30 more for the better product isn't that bad to me.

Can you confirm if the two cells are wired in series or parallel?
Some sites say the cells are wired in series which will double the voltage.
So if the phone is using the power from the battery case first, the phone is getting power at double the voltage than it normally would. This doesn't seem right.
If true, how is this affecting the phone?

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